CA2241739C - Recepteur de systeme global de navigation a satellites a correlation utilisant un code a bruit pseudoaleatoire efface - Google Patents

Recepteur de systeme global de navigation a satellites a correlation utilisant un code a bruit pseudoaleatoire efface Download PDF

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Publication number
CA2241739C
CA2241739C CA002241739A CA2241739A CA2241739C CA 2241739 C CA2241739 C CA 2241739C CA 002241739 A CA002241739 A CA 002241739A CA 2241739 A CA2241739 A CA 2241739A CA 2241739 C CA2241739 C CA 2241739C
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CA
Canada
Prior art keywords
code
prn code
blanked
locally
prn
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA002241739A
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English (en)
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CA2241739A1 (fr
Inventor
Patrick C. Fenton
Albert J. Van Dierendonck
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Novatel Inc
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Novatel Inc
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Publication date
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Publication of CA2241739A1 publication Critical patent/CA2241739A1/fr
Application granted granted Critical
Publication of CA2241739C publication Critical patent/CA2241739C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/22—Multipath-related issues
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/30—Acquisition or tracking or demodulation of signals transmitted by the system code related

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Radio Relay Systems (AREA)
  • Noise Elimination (AREA)
CA002241739A 1997-07-15 1998-06-25 Recepteur de systeme global de navigation a satellites a correlation utilisant un code a bruit pseudoaleatoire efface Expired - Lifetime CA2241739C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/892,871 1997-07-15
US08/892,871 US6243409B1 (en) 1997-07-15 1997-07-15 Global navigation satellite system receiver with blanked-PRN code correlation

Publications (2)

Publication Number Publication Date
CA2241739A1 CA2241739A1 (fr) 1999-01-15
CA2241739C true CA2241739C (fr) 2005-01-18

Family

ID=25400645

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002241739A Expired - Lifetime CA2241739C (fr) 1997-07-15 1998-06-25 Recepteur de systeme global de navigation a satellites a correlation utilisant un code a bruit pseudoaleatoire efface

Country Status (6)

Country Link
US (1) US6243409B1 (fr)
EP (1) EP0892277B1 (fr)
JP (1) JPH11142502A (fr)
CA (1) CA2241739C (fr)
DE (1) DE69833733T2 (fr)
ES (1) ES2259810T3 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6493378B1 (en) 1998-01-06 2002-12-10 Topcon Gps Llc Methods and apparatuses for reducing multipath errors in the demodulation of pseudo-random coded signals
JP3298542B2 (ja) * 1999-03-12 2002-07-02 日本電気株式会社 相関器
US6868110B2 (en) * 1999-12-01 2005-03-15 The Board Of Trustees Of The Leland Stanford Junior University Multipath and tracking error reduction method for spread-spectrum receivers
US6640189B2 (en) * 2001-05-11 2003-10-28 Fibersense Technology Corporation Method of improving satellite reacquisition performance for integrated GP/IG navigational systems
DE60324283D1 (de) * 2003-02-03 2008-12-04 Mathematical Assist Design Lab Spreizspektrum-systemkommunikationseinheit und ihr verfahren zur herstellung einer schnellen synchronisation
US7738536B2 (en) 2003-04-15 2010-06-15 Novatel Inc. Apparatus for and method of making pulse-shape measurements
US7738606B2 (en) 2005-03-24 2010-06-15 Novatel Inc. System and method for making correlation measurements utilizing pulse shape measurements
US7298324B2 (en) * 2005-06-03 2007-11-20 Novatel, Inc. Apparatus for and method of improving position and time estimation of radio location devices using calibrated pulse shapes
US7738537B2 (en) * 2005-09-14 2010-06-15 Novatel Inc. Apparatus for and method of determining quadrature code timing from pulse-shape measurements made using an in-phase code
US7668228B2 (en) 2005-09-16 2010-02-23 Novatel Inc. Apparatus for and method of correlating to rising chip edges
EP2033391B1 (fr) 2006-06-01 2016-11-30 Novatel, Inc. Récepteur altboc
JP4870538B2 (ja) * 2006-12-11 2012-02-08 日本無線株式会社 Ｇｐｓ測位装置
US8571088B2 (en) 2007-11-12 2013-10-29 Qualcomm Incorporated Suppression of multipath effects for received SPS signals
US9285478B2 (en) 2008-02-20 2016-03-15 Qualcomm Incorporated Multipath detection for received SPS signal
US8520719B2 (en) * 2009-05-29 2013-08-27 Qualcomm Incorporated Multiple-mode correlator
US8233516B2 (en) * 2009-06-24 2012-07-31 Qualcomm Incorporated Wideband correlation mode switching methods and apparatuses
CN102183770A (zh) * 2011-05-20 2011-09-14 哈尔滨工程大学 一种抗多径干扰的gps伪随机码跟踪环路及其抗多径干扰方法
JP5923111B2 (ja) * 2011-12-14 2016-05-24 古野電気株式会社 Ｇｎｓｓ信号処理方法、測位方法、ｇｎｓｓ信号処理プログラム、測位プログラム、ｇｎｓｓ信号処理装置、測位装置、および、移動端末
WO2013088529A1 (fr) 2011-12-14 2013-06-20 古野電気株式会社 Procédé de traitement de signal gnss, procédé de positionnement, programme de traitement de signal gnss, programme de positionnement, dispositif de traitement de signal gnss, dispositif de positionnement et terminal mobile
GB201401237D0 (en) 2014-01-24 2014-03-12 Qinetiq Ltd Improvements to satellite positioning methods
US9964645B2 (en) * 2014-02-28 2018-05-08 Honeywell International Inc. Satellite measurement screening to protect the integrity of existing monitors in the presence of phase scintillation
JP2016148594A (ja) 2015-02-12 2016-08-18 セイコーエプソン株式会社 相関処理方法、相関処理回路及びプログラム
EP3182606B1 (fr) * 2015-12-15 2019-10-23 Airbus Defence and Space GmbH Suppression au moyen de seuillage de schéma
US10768310B2 (en) 2018-01-03 2020-09-08 Samsung Electronics Co., Ltd System and method for providing code modification for multipath improvement in GNSS receivers
CN114981675B (zh) * 2019-05-10 2025-04-29 星盟国际有限公司 使用接收信号中的码和相位两者的分类来确定飞行时间的系统和方法
CN111198387A (zh) * 2020-01-15 2020-05-26 西安电子科技大学 一种抗欺骗干扰的空时采样导航定位方法
US11391847B2 (en) 2020-02-24 2022-07-19 Novatel Inc. GNSS correlation distortion detection and mitigation
US11506794B2 (en) 2020-04-21 2022-11-22 Novatel Inc. Systems and methods for GNSS carrier phase multipath mitigation using a blanked correlator in conjunction with a full correlator
CN117741708B (zh) * 2023-11-14 2026-07-14 上海航天控制技术研究所 一种基于gnss多径信号的空间目标在轨发现和导航方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32905F1 (en) 1980-10-20 1992-11-10 Satellite communications system and apparatus
US5390207A (en) 1990-11-28 1995-02-14 Novatel Communications Ltd. Pseudorandom noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators
EP0552048B1 (fr) 1992-01-16 1999-04-21 Hamamatsu Photonics K.K. Système de mesure de la relation temporelle entre deux ou plus signaux
US5402450A (en) 1992-01-22 1995-03-28 Trimble Navigation Signal timing synchronizer
JP3283913B2 (ja) 1992-08-20 2002-05-20 日本無線株式会社 Ｇｐｓ受信装置
JPH06315020A (ja) * 1993-01-06 1994-11-08 Ricoh Co Ltd スペクトル拡散通信方式
US6023489A (en) * 1995-05-24 2000-02-08 Leica Geosystems Inc. Method and apparatus for code synchronization in a global positioning system receiver
EP0843828B1 (fr) 1995-08-09 2007-10-17 Magellan Corporation Reduction des erreurs par trajets multiples dans un recepteur a spectre etale pour mesures de distance
FR2739695B1 (fr) 1995-10-06 1997-11-07 Sextant Avionique Recepteur large bande a mesure de distance par signaux de code pseudo-aleatoire
US5963601A (en) 1996-05-20 1999-10-05 Trimble Navigation Limited Variable suppression of multipath signal effects
US5808582A (en) * 1996-09-13 1998-09-15 Litton Consulting Group, Inc. Global positioning system receiver with improved multipath signal rejection
US5901183A (en) * 1996-09-25 1999-05-04 Magellan Corporation Signal correlation technique for a receiver of a spread spectrum signal including a pseudo-random noise code that reduces errors when a multipath signal is present

Also Published As

Publication number Publication date
EP0892277A3 (fr) 1999-12-29
CA2241739A1 (fr) 1999-01-15
DE69833733T2 (de) 2006-10-12
DE69833733D1 (de) 2006-05-04
EP0892277B1 (fr) 2006-03-08
ES2259810T3 (es) 2006-10-16
EP0892277A2 (fr) 1999-01-20
US6243409B1 (en) 2001-06-05
JPH11142502A (ja) 1999-05-28

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Effective date: 20180626